WO2013138945A2 - Verfahren! zur bildung eines lichtdiffraktionsfensters in wenigstens einer bestimmten zone eines objektes - Google Patents
Verfahren! zur bildung eines lichtdiffraktionsfensters in wenigstens einer bestimmten zone eines objektes Download PDFInfo
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- WO2013138945A2 WO2013138945A2 PCT/CH2013/000048 CH2013000048W WO2013138945A2 WO 2013138945 A2 WO2013138945 A2 WO 2013138945A2 CH 2013000048 W CH2013000048 W CH 2013000048W WO 2013138945 A2 WO2013138945 A2 WO 2013138945A2
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- Prior art keywords
- light
- zone
- structures
- process according
- shapes
- Prior art date
Links
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- 239000000463 material Substances 0.000 claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 9
- 229910052771 Terbium Inorganic materials 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 5
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- 239000007858 starting material Substances 0.000 claims description 5
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 4
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
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- 229910052772 Samarium Inorganic materials 0.000 claims description 4
- 239000002178 crystalline material Substances 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 229910052706 scandium Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 3
- 239000002241 glass-ceramic Substances 0.000 claims description 2
- 238000000149 argon plasma sintering Methods 0.000 claims 3
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- 238000011282 treatment Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 23
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- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N benzo-alpha-pyrone Natural products C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
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- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
- G01D13/22—Pointers, e.g. settable pointer
- G01D13/26—Pointers, e.g. settable pointer adapted to perform a further operation, e.g. making electrical contact
- G01D13/265—Pointers which conduct light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
- G01D13/22—Pointers, e.g. settable pointer
- G01D13/28—Pointers, e.g. settable pointer with luminescent markings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
- G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/30—Illumination of dials or hands
- G04B19/32—Illumination of dials or hands by luminescent substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/60—Structural details of dashboards or instruments
- B60K2360/68—Features of instruments
- B60K2360/698—Pointers of combined instruments
- B60K2360/6992—Light conducting pointers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
Definitions
- the present invention relates to a method of forming a light diffraction window in at least one defined zone of an object to produce in that zone light emission or light extraction at at least one visible wavelength.
- a pointer with optical fiber (eg a plastic fiber, a glass fiber or a crystalline fiber) is illuminated by application no. 00425/11 by a light source so that the light is guided in the light guide.
- the light guide is chosen so that in the core light conversion by photoluminescence or Phosphorescence can take place, for example, photoluminescent or phosphorescent substances can emit light in the visible wavelength range if they are excited in the blue or ultraviolet range.
- the core of the optical waveguide is the inner part of the waveguide, where the refractive index is higher than in the outer region: the latter is known as a cladding.
- the core may well form the entire waveguide, the light is then guided in the core, because its refractive index is higher than that of the surrounding atmosphere, to illuminate the waveguide, the most diverse light sources, including, LEDs, laser diodes, lamps and sunlight ,
- Another object of the present invention is to effectively extract the light generated in the waveguide and to make the surface of the object visible to the viewer. It should be ensured that the functionality, geometric dimensions and cross sections, and the surface condition of the optical waveguide-based objects, such as z, B, pointers in measuring instruments, can be realized inexpensively by suitable manufacturing methods in practice.
- the object is achieved by various variants of the inventive method which are defined in the following description.
- the function of the materials machined with the geometries given in the examples is to improve the optical properties of objects, in particular hands in watches or instruments, in terms of color, brightness or aesthetic aspects of the waveguiding effects in these fluorescent or to improve phosphorescent materials. In this case, various cost-effective production methods are explained.
- FIGS. 1A to 1L show various possible waveguides in fiber form, with different cross sections and different examples of structured surfaces »
- FIG. 2 shows how waveguides can be produced from disk-shaped material, with a production example by separating and structuring individual monolithic parts
- FIGS. 3A to 3E show waveguides consisting of thin layers applied to a substrate
- FIGS. 4 A to 4D explain the processing steps for waveguides with a surface structure.
- FIGS. 1A to 1 L Various possible waveguides 10 in fiber form, with different cross-sections and different examples of structured surfaces are shown in FIGS. 1A to 1 L.
- the fiber may have various cross-sectional shapes: for example, the cross-section may be round, square, rectangular or elliptical.
- the cross section may have constant or variable outer dimensions: e.g.
- the fiber may be cylindrical or conical, remaining constant over the entire length or varying.
- Fig. 1A shows a pattern with rounded recess; Fig. 18, a pattern with a rectangular recess;
- Figure 1C is a pattern with triangular, asymmetric recess.
- Fig. 1 D a pattern with triangular, symmetrical recess; Fig.
- FIG. 1 E a pattern with each triangular and haibzylindrisch recess
- Fig. 1F is a pattern with a small rectangular recess and a longitudinal groove
- Figure 1G is a pattern with two rectangular recesses and double-headed longitudinal grooves
- Fig. 1 H is a pattern with zigzag course extending iongitudsnaier groove and conical end
- Fig. 1! a pattern with longitudinaier groove with breaks
- Fig. 1J is a spiral pattern
- Figure 1 K is a pattern with a circular hole.
- FIG. 1 L shows a pattern with a rectangular hole.
- the fiber may have various guerilla shapes: e.g.
- the cross-section may be round, square, rectangular or elliptical. Entiang the longitudinal axis of the fiber, the cross section may have constant or variable dimensions: z.
- the fiber may be cylindrical or conical, remaining constant over the entire length or varying.
- Typical geometrical dimensions for the fibers to be used for display purposes are:
- the structures on the fiber surfaces may not only have different outer dimensions but also different orientations. Examples in the transverse and longitudinal directions are shown in FIGS. 1A to 1J. s
- the structures are adapted in their geometry to the respective waveguide in fiber form.
- the structures can run transversely, ongitudinally, spirally, on one or more sides.
- the typical dimensions of the structures are in the range depth x width ⁇ 40 to 200 ⁇ m x 10 to 300 ⁇ m, with uniform or variable distances - 10 to 1000 ⁇ m , Smaller, lattice-shaped structures in the micrometer range are also conceivable. Experts in the field will immediately recognize other options and combinations that can be derived from this disclosure.
- the structures applied to the surfaces of the waveguides enable efficient and well visible coupling out of the light generated by fluorescence or phosphorescence.
- the structures form small facets or grids that allow the exit of the light rays from the waveguides. 0 Production methods for such structures are known and include:
- coated with abrasive grains, e.g., diamond or carbides
- uncoated tools e.g. Inner hole, wire or saws. This applies the pattern mechanically.
- the applied surface can be provided with various types of roughness 5, depending on the desired optical effect,
- FIGS. 2A to 2C show how waveguides 20 can be produced from disk-shaped material with production examples by separating and structuring individual monolithic parts starting material! a disk (Fig. 2A) of the material to be used in waveguide form.
- a disk Fig. 2A
- this disc may be made of crystalline material such as CeiYAG or another crystalline substance and possibly polished (one or both sides). Typical dimensions for such disks are diameters of 10 to 100 mm, thickness of 0.05 to 3 mm. Crystalline disks with shapes other than cylindrical can also be used.
- These disk (s) are processed in a further step (also sketched in FIG.
- FIG. 2A in one direction with longitudinal sections and later (FIG. 2B) subdivided into as many waveguide elements with the desired dimensions.
- the resulting side surfaces can be reworked if necessary to change the surface texture or to engrave or engrave the desired pattern.
- Fig. 2C the usable waveguides, which have stopped after the dicing and structuring process outlined.
- suitable material such as Ce: YAG or another crystalline substance of the list listed above
- the waveguide is aterially monolithic, that is, the material is the same throughout the volume of the waveguide. In the following examples, this is no longer the case
- waveguides 30 can be made of disk-shaped material consisting of a substrate with applied thin layers, with manufacturing examples by separating and structuring individual monolithic parts.
- the starting material is a multi-layer disc ( Figure 3A).
- Figure 3A Such a disk can be produced in various ways:
- YAG disc the so-called, substrate, with thickness 0, 1 to 2.5 mm
- Ce: YAG layer (typically between 0.5 and 50 pm thick).
- the Ce: YYG layer is formed on both sides of the substrate 32 and 33, other materials may also be grown epitaktssch such as doped Y2SSO5 on undoped or doped Y2SiO s KY NO ⁇ on undoped KY (W0 4). 2
- doped layers can be grown on doped substrates with different dopants. It can thus be achieved that a multi-layered waveguide with different colors fluoresces at the same time.
- new optical effects can be generated by means of surface structuring, in that the structure leads through a surface layer to a deeper and differently doped layer.
- Conceivable are crystalline to other crystalline Layers, gias on glass, or glass on crystal Other combinations (eg with plastic layers) are also conceivable.
- FIGS. 3A to 3E there are originally (FIG. 3A) two layers on the substrate 30. Both layers 32 and 33 can in principle continue to be used. In the method sketched in the figure, however, a layer 33 is polished away and, as starting material for further processing steps, a slice consisting of two layers 30 and 31 (FIG. 3B) is used. These disc (s) are processed in a further step (Fig, 3C) in a direction with longitudinal sections and later (Fig, 3D) divided into as many waveguide elements with the desired dimensions. The resulting side surfaces can be reworked if necessary to change the surface texture or to engrave or engrave the desired pattern. In E, the usable wave testers 34 s, which are shown after the dicing and structuring method 33, are outlined, the steps of the figures. FIGS. 3C to 3E correspond to the steps of FIGS. 2A to 2C of the example treated.
- the substrate may be provided with structures to produce waveguides in the substrate.
- material changes can be made along the intended longitudinal cutting direction to produce a refractive index change in the sawn direction, examples of such processes are known: in YAG substrates or generally in crystalline oxidic substances can by diffusion at high temperatures, by ion implantation of eg helium or hydrogen ions or by fine engraving by means of laser or ion beams desired structures are generated. These structures must be accommodated in the finished waveguide element and are therefore applied with similar or smaller dimensions (as the finished element) in the substrate. Further types of conductor conductors can be produced in the substrate by means of the method just described, with a further fabrication step based on the described epitaxy method.
- the waveguide can also be surrounded at the top and bottom of crystalline material with suitable optical properties.
- Still other waveguides can be made by means of a combination of structuring and other epitaxial layers.
- Epitaxy of YAG layers or similar oxidic materials (with or without dopants) is known to be possible from already existing epitaxial layers.
- the methods described herein can be extended without significant changes to multi-epitaxial layer structures.
- FIG. 4A to 4D shows how the waveguide 40 from a disk-shaped material can be produced with surface structures "with Preparation Examples by separating and patterning of individual monolithic portions.
- the starting material is a disk consisting of a single or several layers (Fig. 4A). Such a disk can be prepared with the mentioned structuring methods.
- This disk is then processed in a further step (Figure 4B) in one direction with longitudinal cuts and later ( Figure 4C) subdivided into as many elleneiterimplantation with the desired dimensions.
- the resulting side surfaces can be reworked if necessary to change the surface texture or to engrave or engrave the desired pattern.
- FIG. 4D outlines the usable waveguides that have been left after the dicing and structuring process.
- FIGS. 4A to 4D also correspond to the steps of Figures 2A to 2C of the example treated.
- FIGS. 4A to 4D Related steps may also be linked to the examples of FIGS. 3A to 3E.
- luminescent or phosphorescent materials having emission wavelengths between approximately 400 and 700 nm and duration lengths between 230 and 450 nm are:
- Quantum dots where an inorganic anocrystal with a typical size of 2 - 20 nm (e.g., ZnSiEu, Mn) is embedded in a matrix (e.g., glass).
- phenoxazines, phenotyazines, phthalocyanines, naphthalocyanines, indolium derivatives, pyrilium derivatives, Seftenerdcheiate, rhodamines, pyranines, triphenylmethane, Stifbene, coumarins, etc. phenoxazines, phenotyazines, phthalocyanines, naphthalocyanines, indolium derivatives, pyrilium derivatives, Seftenerdcheiate, rhodamines, pyranines, triphenylmethane, Stifbene, coumarins, etc.
- SE V0 4, (SE) 3 Al 5 0I2, (SE ⁇ 2 SIOS (CAAI (SE) 0 4> (SE) AI0 3l
- SE is a rare earth (Sc, Y, La, Ce Pr, Nd, Sm , Eu, Gd t Tb, Dy, Ho, Er, Tm, Yb, Lu) or a mixture of several rare earths
- These materials may additionally be doped to incorporate fluorescent or phosphorescent centers in the crystal.
- Epitaxy experiments are well known to those skilled in the art and may be used for the purposes of this invention and the required material compositions.
- Epitaxy is a Kntali growth process that allows thin, single-crystal layers of a grow ⁇ saturated solution on a crystalline substrate with an adapted crystal lattice. This method can be used for the above materials and additionally also, for.
- B "(SE) ⁇ l 3 (B0 3 ) 4 i ⁇ SE) Ga 3 ⁇ B0 3 ) 4! ⁇ SE) Sc3 (B0 3 ) 4, ⁇ A ⁇ ⁇ SE ⁇ (Mo0) 2, ⁇ A) ⁇ SE ⁇ (W04) 2 are used.
- SE also stands for Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and A for Li Na, K, Rb, Cs. Doping with additional rare earths or transition metals may be beneficial.
- Other Materialbelsplele are quite conceivable for experts and can also be used for this invention, such as Li (SE) F 4 , K (SE) 3 Fio, SrAI 2 0, CaAl 2 0th
- fluorescent or phosphorescent materials can be used in single-crystal form, 2. 8. according to the method described in FIG. 2 and discussed in detail above. Condition is that the crystal can be processed into a waveguide, starting from a thin disk, or from a Komposifin consisting of several glued or welded layers.
- fluorescent or phosphorescent materials can be used in the form of glasses, glass ceramics, ceramics or plastics, eg. Example by the method » that in Fig. 2, described and discussed above in detail.
- Condition is that the crystal can be processed into a waveguide, starting from a thin disc, or from a composite disc consisting of several glued or welded layers.
- Such composite production techniques are well known in the art, especially with the use of glasses, and are useful for providing layers of fluorescent glasses (eg, glasses containing Ce, Pr, Nd, Sm, Eu, Gd s Tb, Dy, Ho, Er, Tm , Yb are endowed) with documents to connect.
- transparent ceramics are preferred which can also be doped with fluorescent or phosphorescent centers.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013001589.7T DE112013001589A5 (de) | 2012-03-21 | 2013-03-20 | Verfahren zur Bildung eines Lichtdiffraktionsfensters in wenigstens einer bestimmten Zone eines Objektes und mit dem Verfahren erzeugtes Objekt |
CH01411/14A CH708032B1 (de) | 2012-03-21 | 2013-03-20 | Verfahren zur Bildung eines Lichtdiffraktionsfensters für Lichtauskopplung in wenigstens einer bestimmten Zone eines Objektes und mit dem Verfahren erzeugtes Objekt. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH397/12 | 2012-03-21 | ||
CH00397/12A CH706262A2 (de) | 2012-03-21 | 2012-03-21 | Zeiger für Uhren oder Messgeräte mit Wellenleitern und Auskopplerstrukturen. |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2013138945A2 true WO2013138945A2 (de) | 2013-09-26 |
WO2013138945A3 WO2013138945A3 (de) | 2014-01-23 |
WO2013138945A8 WO2013138945A8 (de) | 2014-04-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CH2013/000048 WO2013138945A2 (de) | 2012-03-21 | 2013-03-20 | Verfahren! zur bildung eines lichtdiffraktionsfensters in wenigstens einer bestimmten zone eines objektes |
Country Status (3)
Country | Link |
---|---|
CH (2) | CH706262A2 (de) |
DE (1) | DE112013001589A5 (de) |
WO (1) | WO2013138945A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH709226A1 (de) * | 2014-02-03 | 2015-08-14 | Daniel Dr Rytz | Verfahren zur Bildung eines fluoreszierenden Fensters als Sicherheitsmerkmal und Objekt mit einem fluoreszierenden Fenster als Sicherheitsmerkmal. |
DE102014007331A1 (de) * | 2014-05-17 | 2015-11-19 | Volker Schell | Optisch aktive Zifferblätter für Armbanduhren |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH709023B1 (de) * | 2013-12-27 | 2019-01-15 | Daniel Rytz Dr | Verfahren zur Bildung eines Fensters, welches beleuchtungsquellenabhängig die Farbe wechselt, in einer Zone eines Objektes und Objekt mit einem solchen Fenster. |
DE102015115662A1 (de) * | 2015-09-17 | 2017-03-23 | Volker Schell | Verfahren zur Herstellung eines Bauelements für eine Uhr |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10126712A1 (de) * | 2000-12-22 | 2002-07-04 | Siemens Ag | Anzeigevorrichtung mit einem Zeiger und einer Lichtquelle |
WO2002093535A1 (fr) * | 2001-05-14 | 2002-11-21 | Nichia Corporation | Dispositif electroluminescent et dispositif d'affichage de vehicule |
TWI300494B (en) * | 2004-07-23 | 2008-09-01 | Hon Hai Prec Ind Co Ltd | Light guiding plate and backlight module using the same |
FR2899954B1 (fr) * | 2006-04-13 | 2008-06-06 | Saint Gobain | Panneau lumineux |
JP2008180936A (ja) * | 2007-01-25 | 2008-08-07 | Nitto Denko Corp | 色純度向上シート、光学装置、画像表示装置および液晶表示装置 |
DE102008022542A1 (de) * | 2008-05-07 | 2009-11-12 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Bauelement und Verfahren zu dessen Herstellung |
-
2012
- 2012-03-21 CH CH00397/12A patent/CH706262A2/de not_active Application Discontinuation
-
2013
- 2013-03-20 CH CH01411/14A patent/CH708032B1/de unknown
- 2013-03-20 DE DE112013001589.7T patent/DE112013001589A5/de active Pending
- 2013-03-20 WO PCT/CH2013/000048 patent/WO2013138945A2/de active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH709226A1 (de) * | 2014-02-03 | 2015-08-14 | Daniel Dr Rytz | Verfahren zur Bildung eines fluoreszierenden Fensters als Sicherheitsmerkmal und Objekt mit einem fluoreszierenden Fenster als Sicherheitsmerkmal. |
DE102014007331A1 (de) * | 2014-05-17 | 2015-11-19 | Volker Schell | Optisch aktive Zifferblätter für Armbanduhren |
Also Published As
Publication number | Publication date |
---|---|
WO2013138945A3 (de) | 2014-01-23 |
CH706262A2 (de) | 2013-09-30 |
DE112013001589A5 (de) | 2014-12-31 |
WO2013138945A8 (de) | 2014-04-24 |
CH708032B1 (de) | 2018-09-28 |
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